# SDR SIMA0541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2001
- Submitted: May 3, 2001
- Operation: Air carrier
- Aircraft: N397AE
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B397
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA0541

## Discrepancy

SBP - LAVATORY SMOKE WARNING ALONG WITH MASTER WARNING SOUNDED IN CRUISE AND THEN SELF EXTINGUISHED AFTER ABOUT ONE SECOND.  MAINTENANCE CLEANED LAVATORY SMOKE DETECTOR.  OPS CHECK WAS GOOD IAW SAAB AMM 26-13-00.  NO FURTHER ACTION REQUIRED.  AIRCRAFT WAS THEN RETURNED TO SERVICE.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
